Kalispell (FCA) to Houston (IAH)
Flight time
≈ 4h 02m
Bearing
135° SE
Kalispell (FCA) to Houston (IAH) is 1,613 miles (2,595 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies FCA–IAH
Filed traffic dataIn July 2026, United Airlines was the only carrier flying nonstop FCA–IAH; the Airbus A319 was the most common aircraft at 100% of departures; flights ran 97% full.
Departures
8
July 2026
Seats
1,008
both directions
Passengers
975
both directions
Load factor
96.7%
RPM ÷ ASM
Who flies FCA–IAH?
United Airlines was the only carrier to fly nonstop FCA–IAH in July 2026 (8 departures).
- UA
8 departures · 1,008 seats
Share of departures100.0%96.7%
Load
What plane flies FCA–IAH?
In July 2026, the Airbus A319 flew 100% of FCA–IAH departures.
- Airbus A319
8 departures · 96.7% load
100.0%
How has FCA–IAH traffic changed?
Nonstop FCA–IAH departures rose from 6 in August 2025 to 8 in July 2026.
Monthly nonstop FCA–IAH traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
6 departures · 805 passengers
94.5%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
0 departures · 0 passengers
—
Load
May 2026
0 departures · 0 passengers
—
Load
June 2026
6 departures · 748 passengers
93.0%
Load
July 2026
8 departures · 975 passengers
96.7%
Load
By direction
Each direction is filed separately — they rarely match.
FCA → IAH
97.4% full
4 departures · 491 passengers
IAH → FCA
96.0% full
4 departures · 484 passengers
Nonstop FCA–IAH traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Kalispell (FCA) from Houston (IAH)?
FCA to IAH is 1,613 miles (2,595 km / 1,401 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from FCA to IAH?
A nonstop covers the 1,613-mile great-circle distance in roughly 4h 02m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies FCA–IAH?
In July 2026, the Airbus A319 flew the largest share of departures (100.0%).
What mileage do I earn flying FCA–IAH?
Distance-based programs credit off the 1,613-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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